Finding the Fourth Proportional to 3,963,292,610.90, 5,944,938,916.35 and 2,657,223,209.30
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Solution
The fourth proportional to 3,963,292,610.90, 5,944,938,916.35 and 2,657,223,209.30 is: 3,985,834,813.95
Step by Step Solution
- Step 1: Write the proportion equation
3,963,292,610.90 : 5,944,938,916.35 = 2,657,223,209.30 : x - Step 2: Convert to fraction form
3,963,292,610.90/5,944,938,916.35 = 2,657,223,209.30/x - Step 3: Cross multiply
3,963,292,610.90x = 5,944,938,916.35 × 2,657,223,209.30 - Step 4: Simplify right side
3,963,292,610.90x = 15,797,029,666,396,012,544 - Step 5: Solve for x
x = 15,797,029,666,396,012,544/3,963,292,610.90 - Step 6: Final answer
x = 3,985,834,813.95
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Double scale
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.